2-Oxa-6-azaspiro[3.3]heptane

Looped screw caps

Screw cap tubes and caps with O-rings, self-standing

PD 168,077 maleate salt

Phosphatase, Alkaline from bovine intestinal mucosa

碱性磷酸酶

Procainamide agarose gel

Poly(Arg, Pro, Thr) hydrochloride

DSPE-PEG(2000) Azide

DSPE-PEG（2000）叠氮化物

β-Lactamase from Enterobacter cloacae

头孢菌素

Finnpipette^® pipette tips

Finnpipette^® 移液器吸头